Prevalence of HIV and hepatitis B/C infection among people who inject drugs in 2023 (data from SPHTDAA Laboratory, Sofia)

Prevalence of HIV and hepatitis B/C infection among people who inject drugs (PWID) in 2023

HIV (anti-HIV)Hepatitis В (HbsAg) Hepatitis С (anti-HCV)
Total number of PWID who were tested203203204
Males145144145
Females585959
Number of PWID with a positive test result3230175
Males2925129
Females3546
Proportion positive (%)15.8%14.8%85.8%
Males20.0%17.4%89.0%
Females5.2%8.5%78.0%
Note: PWID are defined as people who have injected drugs at some point in their life.

Prevalence of HIV and hepatitis B/C infection among people who inject drugs (PWID) in 2023 (by age groups)

HIV (anti-HIV)Hepatitis В (HbsAg) Hepatitis С (anti-HCV)
Age <25
Number of PWID who were tested222
Number of PWID with a positive test result000
Proportion positive (%)0.0%0.0%0.0%
Age 25-34
Number of PWID who were tested161616
Number of PWID with a positive test result3414
Proportion positive (%)18.75%25.0%87.5%
Age > 34
Number of PWID who were tested185185186
Number of PWID with a positive test result2926161
Proportion positive (%)15.7%14.1%86.6%

Prevalence of HIV and hepatitis B/C infection among people who inject drugs (PWID) in 2023 (by years since first injection)

HIV (anti-HIV)Hepatitis В (HbsAg) Hepatitis С (anti-HCV)
<2 years since first injection
Number of PWID who were tested111
Number of PWID with a positive test result000
Proportion positive (%)0.0%0.0%0.0%
2 to 4 years since first injection
Number of PWID who were tested111
Number of PWID with a positive test result000
Proportion positive (%)0.0%0.0%0.0%
5 to 9 years since first injection
Number of PWID who were tested777
Number of PWID with a positive test result112
Proportion positive (%)14.3%14.3%28.6%
10 or more years since first injection
Number of PWID who were tested194194195
Number of PWID with a positive test result3129173
Proportion positive (%)16.0%14.9%88.7%

Prevalence of HIV and hepatitis B/C infection among people who inject drugs (PWID) in 2023 (by primary drug)

HIV (anti-HIV)Hepatitis В (HbsAg) Hepatitis С (anti-HCV)
PWID with primary drug opioids
Number of PWID who were tested189189190
Number of PWID with a positive test result3227175
Proportion positive (%)16.9%14.3%92.1%
PWID with primary drug cocaine
Number of PWID who were tested333
Number of PWID with a positive test result000
Proportion positive (%)0.0%0.0%0.0%
PWID with primary drug stimulants other than cocaine
Number of PWID who were tested777
Number of PWID with a positive test result030
Proportion positive (%)0.0%42.9%0.0%
PWID with primary drug other
Number of PWID who were tested444
Number of PWID with a positive test result000
Proportion positive (%)0.0%0.0%0.0%

Prevalence of HIV and hepatitis B/C infection among people who inject drugs (PWID) in 2023 (by contact with drug treatment in the last 12 months)

HIV (anti-HIV)Hepatitis В (HbsAg) Hepatitis С (anti-HCV)
PWID who have been in contact with drug treatment services in the last 12 months
Number of PWID who were tested176176177
Number of PWID with a positive test result3225165
Proportion positive (%)18.2%14.2%93.2%
PWID who have not been in contact with drug treatment services in the last 12 months
Number of PWID who were tested262626
Number of PWID with a positive test result0510
Proportion positive (%)0.0%19.2%38.5%
PWID with missing information on drug treatment contact
Number of PWID who were tested111
Number of PWID with a positive test result000

Prevalence of HIV and hepatitis B/C infection among people who inject drugs (PWID) in 2023 (by imprisonment)

HIV (anti-HIV)Hepatitis В (HbsAg) Hepatitis С (anti-HCV)
PWID ever in prison
Number of PWID who were tested212121
Number of PWID with a positive test result7719
Proportion positive (%)33.3%33.3%90.5%
PWID never in prison
Number of PWID who were tested182182183
Number of PWID with a positive test result2523156
Proportion positive (%)13.7%12.6%85.2%

Source: State Psychiatric Hospital for Treatment of Drug Addiction and Alcoholism (SPHTDAA), Sofia, NFP, NCPHA.

Data for 2022